diff --git a/kiln/pyproject.toml b/kiln/pyproject.toml
index fdd878a6..5689bab5 100644
--- a/kiln/pyproject.toml
+++ b/kiln/pyproject.toml
@@ -92,8 +92,8 @@ postgres = ["psycopg2-binary>=2.9.12"]
 # private package and the extra would fail on every public `pip install`.
 # The REST API ships in kiln-pro itself; install it directly from the
 # private repo (see kiln3d.com/docs) — don't promise it here.
-stripe = ["stripe>=15.3.0"]
-payments = ["stripe>=15.3.0", "cryptography>=41.0"]
+stripe = ["stripe>=15.4.0"]
+payments = ["stripe>=15.4.0", "cryptography>=41.0"]
 # The backend is named `usb`; `serial` stays as an alias so the install
 # line in older docs keeps working.
 usb = ["pyserial>=3.5"]